Verfahren zur Herstellung einer Verbundstruktur

Verfahren zur Herstellung einer Verbundstruktur

The present invention relates to a method for forming a composite structure. The method includes arranging a stack (1) of prepreg sheets (2) on a mold (3). The composite material is substantially sealed within a vacuum bag. One or more vacuum ports extend through the vacuum bag. Vacuum is applied th...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: VAARA, JAN, KROGAGER, MAX
Format: Patent
Sprache:ger
Schlagworte:
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
WORKING-UP
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Beschreibung
Zusammenfassung:The present invention relates to a method for forming a composite structure. The method includes arranging a stack (1) of prepreg sheets (2) on a mold (3). The composite material is substantially sealed within a vacuum bag. One or more vacuum ports extend through the vacuum bag. Vacuum is applied through the vacuum ports for drawing air from the stack of prepreg sheets. Air (7) in the space between each two prepreg sheets in the stack is evacuated through at least one less impregnated layer (4) within a least one of the two adjacent prepreg sheets. The less impregnated layer (4) communicates with the vaccum port. The process is repeated until the stack (1) comprises a predetermined number of prepreg sheets (2). The composite material is cured and the structure is released from the mold (3) and the vacuum bag.